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lyft / flinkk8soperator

Kubernetes operator that provides control plane for managing Apache Flink applications

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How to customize FLINK_HOME properly

00-Luoshu opened this issue · comments

commented

When I try to run basic-example (jarURI:local:///opt/flink/examples/streaming/StateMachineExample.jar ) using flink-docker , whose FLINK_HOME is default /opt/flink, and success to run.

But after changing FLINK_HOME to /myflink/flink, change the jarURI to local:///myflink/flink/examples/streaming/StateMachineExample.jar and want to run the example again, I failed, came into the error:

java.lang.NullPointerException: null
	at org.apache.flink.kubernetes.utils.KubernetesUtils.checkJarFileForApplicationMode(KubernetesUtils.java:400) ~[flink-dist-1.15.2.jar:1.15.2]
	at org.apache.flink.kubernetes.entrypoint.KubernetesApplicationClusterEntrypoint.getPackagedProgramRetriever(KubernetesApplicationClusterEntrypoint.java:115) ~[flink-dist-1.15.2.jar:1.15.2]
	at org.apache.flink.kubernetes.entrypoint.KubernetesApplicationClusterEntrypoint.getPackagedProgram(KubernetesApplicationClusterEntrypoint.java:96) ~[flink-dist-1.15.2.jar:1.15.2]
	at org.apache.flink.kubernetes.entrypoint.KubernetesApplicationClusterEntrypoint.main(KubernetesApplicationClusterEntrypoint.java:70) [flink-dist-1.15.2.jar:1.15.2]

What causes this, and what should I do besides changing FLINK_HOME